#include <iostream> 
class Matrix{ 

	public: 
	int matrixmul(int a, int b, int c, int d, int e, int f, int g, int h); 
	int addmat(int a, int b, int c, int d, int e, int f, int g, int h); 
	int submat(int a, int b, int c, int d, int e, int f, int g, int h);
};
